Number 1664 is pronounced one thousand six hundred sixty four.
Number 1664 is a composite number.
Factors of 1664 are 2 * 2 * 2 * 2 * 2 * 2 * 2 * 13.
Number 1664 has 16 divisors: 1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664.
Sum of the divisors is 3570.
Number 1664 is not a Fibonacci number.
It is not a Bell number.
Number 1664 is not a Catalan number.
Number 1664 is not a regular number (Hamming number).
It is a not factorial of any number.
Number 1664 is an abundant number and therefore is not a perfect number.
Binary numeral for number 1664 is 11010000000.
Octal numeral is 3200.
Duodecimal value is b68.
Hexadecimal representation is 680.
Square of the number 1664 is 2768896.
Square root of the number 1664 is 40.792156108742.
Natural logarithm of 1664 is 7.4169796213812
Decimal logarithm of the number 1664 is 3.2211533219547
Sine of 1664 is -0.86447569442318. Cosine of the number 1664 is 0.50267462015857. Tangent of the number 1664 is -1.7197520219948